lib/librte_ether/rte_ethdev.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <sys/types.h>
  35 #include <sys/queue.h>
  36 #include <ctype.h>
  37 #include <stdio.h>
  38 #include <stdlib.h>
  39 #include <string.h>
  40 #include <stdarg.h>
  41 #include <errno.h>
  42 #include <stdint.h>
  43 #include <inttypes.h>
  44 #include <netinet/in.h>
  45
  46 #include <rte_byteorder.h>
  47 #include <rte_log.h>
  48 #include <rte_debug.h>
  49 #include <rte_interrupts.h>
  50 #include <rte_pci.h>
  51 #include <rte_memory.h>
  52 #include <rte_memcpy.h>
  53 #include <rte_memzone.h>
  54 #include <rte_launch.h>
  55 #include <rte_eal.h>
  56 #include <rte_per_lcore.h>
  57 #include <rte_lcore.h>
  58 #include <rte_atomic.h>
  59 #include <rte_branch_prediction.h>
  60 #include <rte_common.h>
  61 #include <rte_ring.h>
  62 #include <rte_mempool.h>
  63 #include <rte_malloc.h>
  64 #include <rte_mbuf.h>
  65 #include <rte_errno.h>
  66 #include <rte_spinlock.h>
  67 #include <rte_string_fns.h>
  68
  69 #include "rte_ether.h"
  70 #include "rte_ethdev.h"
  71
  72 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  73 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  74 static struct rte_eth_dev_data *rte_eth_dev_data;
  75 static uint8_t nb_ports;
  76
  77 /* spinlock for eth device callbacks */
  78 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  79
  80 /* store statistics names and its offset in stats structure  */
  81 struct rte_eth_xstats_name_off {
  82         char name[RTE_ETH_XSTATS_NAME_SIZE];
  83         unsigned offset;
  84 };
  85
  86 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  87         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  88         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  89         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  90         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  91         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  92         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  93         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  94                 rx_nombuf)},
  95 };
  96
  97 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
  98
  99 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
 100         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
 101         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
 102         {"errors", offsetof(struct rte_eth_stats, q_errors)},
 103 };
 104
 105 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
 106                 sizeof(rte_rxq_stats_strings[0]))
 107
 108 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 109         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 110         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 111 };
 112 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 113                 sizeof(rte_txq_stats_strings[0]))
 114
 115
 116 /**
 117  * The user application callback description.
 118  *
 119  * It contains callback address to be registered by user application,
 120  * the pointer to the parameters for callback, and the event type.
 121  */
 122 struct rte_eth_dev_callback {
 123         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 124         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 125         void *cb_arg;                           /**< Parameter for callback */
 126         enum rte_eth_event_type event;          /**< Interrupt event type */
 127         uint32_t active;                        /**< Callback is executing */
 128 };
 129
 130 enum {
 131         STAT_QMAP_TX = 0,
 132         STAT_QMAP_RX
 133 };
 134
 135 enum {
 136         DEV_DETACHED = 0,
 137         DEV_ATTACHED
 138 };
 139
 140 static void
 141 rte_eth_dev_data_alloc(void)
 142 {
 143         const unsigned flags = 0;
 144         const struct rte_memzone *mz;
 145
 146         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 147                 mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 148                                 RTE_MAX_ETHPORTS * sizeof(*rte_eth_dev_data),
 149                                 rte_socket_id(), flags);
 150         } else
 151                 mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 152         if (mz == NULL)
 153                 rte_panic("Cannot allocate memzone for ethernet port data\n");
 154
 155         rte_eth_dev_data = mz->addr;
 156         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 157                 memset(rte_eth_dev_data, 0,
 158                                 RTE_MAX_ETHPORTS * sizeof(*rte_eth_dev_data));
 159 }
 160
 161 struct rte_eth_dev *
 162 rte_eth_dev_allocated(const char *name)
 163 {
 164         unsigned i;
 165
 166         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 167                 if ((rte_eth_devices[i].attached == DEV_ATTACHED) &&
 168                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 169                         return &rte_eth_devices[i];
 170         }
 171         return NULL;
 172 }
 173
 174 static uint8_t
 175 rte_eth_dev_find_free_port(void)
 176 {
 177         unsigned i;
 178
 179         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 180                 if (rte_eth_devices[i].attached == DEV_DETACHED)
 181                         return i;
 182         }
 183         return RTE_MAX_ETHPORTS;
 184 }
 185
 186 struct rte_eth_dev *
 187 rte_eth_dev_allocate(const char *name, enum rte_eth_dev_type type)
 188 {
 189         uint8_t port_id;
 190         struct rte_eth_dev *eth_dev;
 191
 192         port_id = rte_eth_dev_find_free_port();
 193         if (port_id == RTE_MAX_ETHPORTS) {
 194                 RTE_PMD_DEBUG_TRACE("Reached maximum number of Ethernet ports\n");
 195                 return NULL;
 196         }
 197
 198         if (rte_eth_dev_data == NULL)
 199                 rte_eth_dev_data_alloc();
 200
 201         if (rte_eth_dev_allocated(name) != NULL) {
 202                 RTE_PMD_DEBUG_TRACE("Ethernet Device with name %s already allocated!\n",
 203                                 name);
 204                 return NULL;
 205         }
 206
 207         eth_dev = &rte_eth_devices[port_id];
 208         eth_dev->data = &rte_eth_dev_data[port_id];
 209         snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
 210         eth_dev->data->port_id = port_id;
 211         eth_dev->attached = DEV_ATTACHED;
 212         eth_dev->dev_type = type;
 213         nb_ports++;
 214         return eth_dev;
 215 }
 216
 217 static int
 218 rte_eth_dev_create_unique_device_name(char *name, size_t size,
 219                 struct rte_pci_device *pci_dev)
 220 {
 221         int ret;
 222
 223         ret = snprintf(name, size, "%d:%d.%d",
 224                         pci_dev->addr.bus, pci_dev->addr.devid,
 225                         pci_dev->addr.function);
 226         if (ret < 0)
 227                 return ret;
 228         return 0;
 229 }
 230
 231 int
 232 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 233 {
 234         if (eth_dev == NULL)
 235                 return -EINVAL;
 236
 237         eth_dev->attached = DEV_DETACHED;
 238         nb_ports--;
 239         return 0;
 240 }
 241
 242 static int
 243 rte_eth_dev_init(struct rte_pci_driver *pci_drv,
 244                  struct rte_pci_device *pci_dev)
 245 {
 246         struct eth_driver    *eth_drv;
 247         struct rte_eth_dev *eth_dev;
 248         char ethdev_name[RTE_ETH_NAME_MAX_LEN];
 249
 250         int diag;
 251
 252         eth_drv = (struct eth_driver *)pci_drv;
 253
 254         /* Create unique Ethernet device name using PCI address */
 255         rte_eth_dev_create_unique_device_name(ethdev_name,
 256                         sizeof(ethdev_name), pci_dev);
 257
 258         eth_dev = rte_eth_dev_allocate(ethdev_name, RTE_ETH_DEV_PCI);
 259         if (eth_dev == NULL)
 260                 return -ENOMEM;
 261
 262         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 263                 eth_dev->data->dev_private = rte_zmalloc("ethdev private structure",
 264                                   eth_drv->dev_private_size,
 265                                   RTE_CACHE_LINE_SIZE);
 266                 if (eth_dev->data->dev_private == NULL)
 267                         rte_panic("Cannot allocate memzone for private port data\n");
 268         }
 269         eth_dev->pci_dev = pci_dev;
 270         eth_dev->driver = eth_drv;
 271         eth_dev->data->rx_mbuf_alloc_failed = 0;
 272
 273         /* init user callbacks */
 274         TAILQ_INIT(&(eth_dev->link_intr_cbs));
 275
 276         /*
 277          * Set the default MTU.
 278          */
 279         eth_dev->data->mtu = ETHER_MTU;
 280
 281         /* Invoke PMD device initialization function */
 282         diag = (*eth_drv->eth_dev_init)(eth_dev);
 283         if (diag == 0)
 284                 return 0;
 285
 286         RTE_PMD_DEBUG_TRACE("driver %s: eth_dev_init(vendor_id=0x%u device_id=0x%x) failed\n",
 287                         pci_drv->name,
 288                         (unsigned) pci_dev->id.vendor_id,
 289                         (unsigned) pci_dev->id.device_id);
 290         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 291                 rte_free(eth_dev->data->dev_private);
 292         rte_eth_dev_release_port(eth_dev);
 293         return diag;
 294 }
 295
 296 static int
 297 rte_eth_dev_uninit(struct rte_pci_device *pci_dev)
 298 {
 299         const struct eth_driver *eth_drv;
 300         struct rte_eth_dev *eth_dev;
 301         char ethdev_name[RTE_ETH_NAME_MAX_LEN];
 302         int ret;
 303
 304         if (pci_dev == NULL)
 305                 return -EINVAL;
 306
 307         /* Create unique Ethernet device name using PCI address */
 308         rte_eth_dev_create_unique_device_name(ethdev_name,
 309                         sizeof(ethdev_name), pci_dev);
 310
 311         eth_dev = rte_eth_dev_allocated(ethdev_name);
 312         if (eth_dev == NULL)
 313                 return -ENODEV;
 314
 315         eth_drv = (const struct eth_driver *)pci_dev->driver;
 316
 317         /* Invoke PMD device uninit function */
 318         if (*eth_drv->eth_dev_uninit) {
 319                 ret = (*eth_drv->eth_dev_uninit)(eth_dev);
 320                 if (ret)
 321                         return ret;
 322         }
 323
 324         /* free ether device */
 325         rte_eth_dev_release_port(eth_dev);
 326
 327         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 328                 rte_free(eth_dev->data->dev_private);
 329
 330         eth_dev->pci_dev = NULL;
 331         eth_dev->driver = NULL;
 332         eth_dev->data = NULL;
 333
 334         return 0;
 335 }
 336
 337 /**
 338  * Register an Ethernet [Poll Mode] driver.
 339  *
 340  * Function invoked by the initialization function of an Ethernet driver
 341  * to simultaneously register itself as a PCI driver and as an Ethernet
 342  * Poll Mode Driver.
 343  * Invokes the rte_eal_pci_register() function to register the *pci_drv*
 344  * structure embedded in the *eth_drv* structure, after having stored the
 345  * address of the rte_eth_dev_init() function in the *devinit* field of
 346  * the *pci_drv* structure.
 347  * During the PCI probing phase, the rte_eth_dev_init() function is
 348  * invoked for each PCI [Ethernet device] matching the embedded PCI
 349  * identifiers provided by the driver.
 350  */
 351 void
 352 rte_eth_driver_register(struct eth_driver *eth_drv)
 353 {
 354         eth_drv->pci_drv.devinit = rte_eth_dev_init;
 355         eth_drv->pci_drv.devuninit = rte_eth_dev_uninit;
 356         rte_eal_pci_register(&eth_drv->pci_drv);
 357 }
 358
 359 int
 360 rte_eth_dev_is_valid_port(uint8_t port_id)
 361 {
 362         if (port_id >= RTE_MAX_ETHPORTS ||
 363             rte_eth_devices[port_id].attached != DEV_ATTACHED)
 364                 return 0;
 365         else
 366                 return 1;
 367 }
 368
 369 int
 370 rte_eth_dev_socket_id(uint8_t port_id)
 371 {
 372         if (!rte_eth_dev_is_valid_port(port_id))
 373                 return -1;
 374         return rte_eth_devices[port_id].data->numa_node;
 375 }
 376
 377 uint8_t
 378 rte_eth_dev_count(void)
 379 {
 380         return nb_ports;
 381 }
 382
 383 static enum rte_eth_dev_type
 384 rte_eth_dev_get_device_type(uint8_t port_id)
 385 {
 386         if (!rte_eth_dev_is_valid_port(port_id))
 387                 return RTE_ETH_DEV_UNKNOWN;
 388         return rte_eth_devices[port_id].dev_type;
 389 }
 390
 391 static int
 392 rte_eth_dev_get_addr_by_port(uint8_t port_id, struct rte_pci_addr *addr)
 393 {
 394         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 395
 396         if (addr == NULL) {
 397                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 398                 return -EINVAL;
 399         }
 400
 401         *addr = rte_eth_devices[port_id].pci_dev->addr;
 402         return 0;
 403 }
 404
 405 static int
 406 rte_eth_dev_get_name_by_port(uint8_t port_id, char *name)
 407 {
 408         char *tmp;
 409
 410         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 411
 412         if (name == NULL) {
 413                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 414                 return -EINVAL;
 415         }
 416
 417         /* shouldn't check 'rte_eth_devices[i].data',
 418          * because it might be overwritten by VDEV PMD */
 419         tmp = rte_eth_dev_data[port_id].name;
 420         strcpy(name, tmp);
 421         return 0;
 422 }
 423
 424 static int
 425 rte_eth_dev_get_port_by_name(const char *name, uint8_t *port_id)
 426 {
 427         int i;
 428
 429         if (name == NULL) {
 430                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 431                 return -EINVAL;
 432         }
 433
 434         *port_id = RTE_MAX_ETHPORTS;
 435
 436         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 437
 438                 if (!strncmp(name,
 439                         rte_eth_dev_data[i].name, strlen(name))) {
 440
 441                         *port_id = i;
 442
 443                         return 0;
 444                 }
 445         }
 446         return -ENODEV;
 447 }
 448
 449 static int
 450 rte_eth_dev_get_port_by_addr(const struct rte_pci_addr *addr, uint8_t *port_id)
 451 {
 452         int i;
 453         struct rte_pci_device *pci_dev = NULL;
 454
 455         if (addr == NULL) {
 456                 RTE_PMD_DEBUG_TRACE("Null pointer is specified\n");
 457                 return -EINVAL;
 458         }
 459
 460         *port_id = RTE_MAX_ETHPORTS;
 461
 462         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 463
 464                 pci_dev = rte_eth_devices[i].pci_dev;
 465
 466                 if (pci_dev &&
 467                         !rte_eal_compare_pci_addr(&pci_dev->addr, addr)) {
 468
 469                         *port_id = i;
 470
 471                         return 0;
 472                 }
 473         }
 474         return -ENODEV;
 475 }
 476
 477 static int
 478 rte_eth_dev_is_detachable(uint8_t port_id)
 479 {
 480         uint32_t dev_flags;
 481
 482         if (!rte_eth_dev_is_valid_port(port_id)) {
 483                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
 484                 return -EINVAL;
 485         }
 486
 487         switch (rte_eth_devices[port_id].data->kdrv) {
 488         case RTE_KDRV_IGB_UIO:
 489         case RTE_KDRV_UIO_GENERIC:
 490         case RTE_KDRV_NIC_UIO:
 491         case RTE_KDRV_NONE:
 492                 break;
 493         case RTE_KDRV_VFIO:
 494         default:
 495                 return -ENOTSUP;
 496         }
 497         dev_flags = rte_eth_devices[port_id].data->dev_flags;
 498         if ((dev_flags & RTE_ETH_DEV_DETACHABLE) &&
 499                 (!(dev_flags & RTE_ETH_DEV_BONDED_SLAVE)))
 500                 return 0;
 501         else
 502                 return 1;
 503 }
 504
 505 /* attach the new physical device, then store port_id of the device */
 506 static int
 507 rte_eth_dev_attach_pdev(struct rte_pci_addr *addr, uint8_t *port_id)
 508 {
 509         /* re-construct pci_device_list */
 510         if (rte_eal_pci_scan())
 511                 goto err;
 512         /* Invoke probe func of the driver can handle the new device. */
 513         if (rte_eal_pci_probe_one(addr))
 514                 goto err;
 515
 516         if (rte_eth_dev_get_port_by_addr(addr, port_id))
 517                 goto err;
 518
 519         return 0;
 520 err:
 521         return -1;
 522 }
 523
 524 /* detach the new physical device, then store pci_addr of the device */
 525 static int
 526 rte_eth_dev_detach_pdev(uint8_t port_id, struct rte_pci_addr *addr)
 527 {
 528         struct rte_pci_addr freed_addr;
 529         struct rte_pci_addr vp;
 530
 531         /* get pci address by port id */
 532         if (rte_eth_dev_get_addr_by_port(port_id, &freed_addr))
 533                 goto err;
 534
 535         /* Zeroed pci addr means the port comes from virtual device */
 536         vp.domain = vp.bus = vp.devid = vp.function = 0;
 537         if (rte_eal_compare_pci_addr(&vp, &freed_addr) == 0)
 538                 goto err;
 539
 540         /* invoke devuninit func of the pci driver,
 541          * also remove the device from pci_device_list */
 542         if (rte_eal_pci_detach(&freed_addr))
 543                 goto err;
 544
 545         *addr = freed_addr;
 546         return 0;
 547 err:
 548         return -1;
 549 }
 550
 551 /* attach the new virtual device, then store port_id of the device */
 552 static int
 553 rte_eth_dev_attach_vdev(const char *vdevargs, uint8_t *port_id)
 554 {
 555         char *name = NULL, *args = NULL;
 556         int ret = -1;
 557
 558         /* parse vdevargs, then retrieve device name and args */
 559         if (rte_eal_parse_devargs_str(vdevargs, &name, &args))
 560                 goto end;
 561
 562         /* walk around dev_driver_list to find the driver of the device,
 563          * then invoke probe function of the driver.
 564          * rte_eal_vdev_init() updates port_id allocated after
 565          * initialization.
 566          */
 567         if (rte_eal_vdev_init(name, args))
 568                 goto end;
 569
 570         if (rte_eth_dev_get_port_by_name(name, port_id))
 571                 goto end;
 572
 573         ret = 0;
 574 end:
 575         free(name);
 576         free(args);
 577
 578         return ret;
 579 }
 580
 581 /* detach the new virtual device, then store the name of the device */
 582 static int
 583 rte_eth_dev_detach_vdev(uint8_t port_id, char *vdevname)
 584 {
 585         char name[RTE_ETH_NAME_MAX_LEN];
 586
 587         /* get device name by port id */
 588         if (rte_eth_dev_get_name_by_port(port_id, name))
 589                 goto err;
 590         /* walk around dev_driver_list to find the driver of the device,
 591          * then invoke uninit function of the driver */
 592         if (rte_eal_vdev_uninit(name))
 593                 goto err;
 594
 595         strncpy(vdevname, name, sizeof(name));
 596         return 0;
 597 err:
 598         return -1;
 599 }
 600
 601 /* attach the new device, then store port_id of the device */
 602 int
 603 rte_eth_dev_attach(const char *devargs, uint8_t *port_id)
 604 {
 605         struct rte_pci_addr addr;
 606         int ret = -1;
 607
 608         if ((devargs == NULL) || (port_id == NULL)) {
 609                 ret = -EINVAL;
 610                 goto err;
 611         }
 612
 613         if (eal_parse_pci_DomBDF(devargs, &addr) == 0) {
 614                 ret = rte_eth_dev_attach_pdev(&addr, port_id);
 615                 if (ret < 0)
 616                         goto err;
 617         } else {
 618                 ret = rte_eth_dev_attach_vdev(devargs, port_id);
 619                 if (ret < 0)
 620                         goto err;
 621         }
 622
 623         return 0;
 624 err:
 625         RTE_LOG(ERR, EAL, "Driver, cannot attach the device\n");
 626         return ret;
 627 }
 628
 629 /* detach the device, then store the name of the device */
 630 int
 631 rte_eth_dev_detach(uint8_t port_id, char *name)
 632 {
 633         struct rte_pci_addr addr;
 634         int ret = -1;
 635
 636         if (name == NULL) {
 637                 ret = -EINVAL;
 638                 goto err;
 639         }
 640
 641         /* check whether the driver supports detach feature, or not */
 642         if (rte_eth_dev_is_detachable(port_id))
 643                 goto err;
 644
 645         if (rte_eth_dev_get_device_type(port_id) == RTE_ETH_DEV_PCI) {
 646                 ret = rte_eth_dev_get_addr_by_port(port_id, &addr);
 647                 if (ret < 0)
 648                         goto err;
 649
 650                 ret = rte_eth_dev_detach_pdev(port_id, &addr);
 651                 if (ret < 0)
 652                         goto err;
 653
 654                 snprintf(name, RTE_ETH_NAME_MAX_LEN,
 655                         "%04x:%02x:%02x.%d",
 656                         addr.domain, addr.bus,
 657                         addr.devid, addr.function);
 658         } else {
 659                 ret = rte_eth_dev_detach_vdev(port_id, name);
 660                 if (ret < 0)
 661                         goto err;
 662         }
 663
 664         return 0;
 665
 666 err:
 667         RTE_LOG(ERR, EAL, "Driver, cannot detach the device\n");
 668         return ret;
 669 }
 670
 671 static int
 672 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 673 {
 674         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 675         void **rxq;
 676         unsigned i;
 677
 678         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 679                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 680                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 681                                 RTE_CACHE_LINE_SIZE);
 682                 if (dev->data->rx_queues == NULL) {
 683                         dev->data->nb_rx_queues = 0;
 684                         return -(ENOMEM);
 685                 }
 686         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 687                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 688
 689                 rxq = dev->data->rx_queues;
 690
 691                 for (i = nb_queues; i < old_nb_queues; i++)
 692                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 693                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 694                                 RTE_CACHE_LINE_SIZE);
 695                 if (rxq == NULL)
 696                         return -(ENOMEM);
 697                 if (nb_queues > old_nb_queues) {
 698                         uint16_t new_qs = nb_queues - old_nb_queues;
 699
 700                         memset(rxq + old_nb_queues, 0,
 701                                 sizeof(rxq[0]) * new_qs);
 702                 }
 703
 704                 dev->data->rx_queues = rxq;
 705
 706         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 707                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 708
 709                 rxq = dev->data->rx_queues;
 710
 711                 for (i = nb_queues; i < old_nb_queues; i++)
 712                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 713         }
 714         dev->data->nb_rx_queues = nb_queues;
 715         return 0;
 716 }
 717
 718 int
 719 rte_eth_dev_rx_queue_start(uint8_t port_id, uint16_t rx_queue_id)
 720 {
 721         struct rte_eth_dev *dev;
 722
 723         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 724
 725         dev = &rte_eth_devices[port_id];
 726         if (rx_queue_id >= dev->data->nb_rx_queues) {
 727                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 728                 return -EINVAL;
 729         }
 730
 731         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 732
 733         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 734                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 735                         " already started\n",
 736                         rx_queue_id, port_id);
 737                 return 0;
 738         }
 739
 740         return dev->dev_ops->rx_queue_start(dev, rx_queue_id);
 741
 742 }
 743
 744 int
 745 rte_eth_dev_rx_queue_stop(uint8_t port_id, uint16_t rx_queue_id)
 746 {
 747         struct rte_eth_dev *dev;
 748
 749         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 750
 751         dev = &rte_eth_devices[port_id];
 752         if (rx_queue_id >= dev->data->nb_rx_queues) {
 753                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
 754                 return -EINVAL;
 755         }
 756
 757         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 758
 759         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 760                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 761                         " already stopped\n",
 762                         rx_queue_id, port_id);
 763                 return 0;
 764         }
 765
 766         return dev->dev_ops->rx_queue_stop(dev, rx_queue_id);
 767
 768 }
 769
 770 int
 771 rte_eth_dev_tx_queue_start(uint8_t port_id, uint16_t tx_queue_id)
 772 {
 773         struct rte_eth_dev *dev;
 774
 775         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 776
 777         dev = &rte_eth_devices[port_id];
 778         if (tx_queue_id >= dev->data->nb_tx_queues) {
 779                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 780                 return -EINVAL;
 781         }
 782
 783         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 784
 785         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 786                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 787                         " already started\n",
 788                         tx_queue_id, port_id);
 789                 return 0;
 790         }
 791
 792         return dev->dev_ops->tx_queue_start(dev, tx_queue_id);
 793
 794 }
 795
 796 int
 797 rte_eth_dev_tx_queue_stop(uint8_t port_id, uint16_t tx_queue_id)
 798 {
 799         struct rte_eth_dev *dev;
 800
 801         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 802
 803         dev = &rte_eth_devices[port_id];
 804         if (tx_queue_id >= dev->data->nb_tx_queues) {
 805                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
 806                 return -EINVAL;
 807         }
 808
 809         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 810
 811         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 812                 RTE_PMD_DEBUG_TRACE("Queue %" PRIu16" of device with port_id=%" PRIu8
 813                         " already stopped\n",
 814                         tx_queue_id, port_id);
 815                 return 0;
 816         }
 817
 818         return dev->dev_ops->tx_queue_stop(dev, tx_queue_id);
 819
 820 }
 821
 822 static int
 823 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 824 {
 825         uint16_t old_nb_queues = dev->data->nb_tx_queues;
 826         void **txq;
 827         unsigned i;
 828
 829         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
 830                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
 831                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
 832                                                    RTE_CACHE_LINE_SIZE);
 833                 if (dev->data->tx_queues == NULL) {
 834                         dev->data->nb_tx_queues = 0;
 835                         return -(ENOMEM);
 836                 }
 837         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
 838                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 839
 840                 txq = dev->data->tx_queues;
 841
 842                 for (i = nb_queues; i < old_nb_queues; i++)
 843                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 844                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 845                                   RTE_CACHE_LINE_SIZE);
 846                 if (txq == NULL)
 847                         return -ENOMEM;
 848                 if (nb_queues > old_nb_queues) {
 849                         uint16_t new_qs = nb_queues - old_nb_queues;
 850
 851                         memset(txq + old_nb_queues, 0,
 852                                sizeof(txq[0]) * new_qs);
 853                 }
 854
 855                 dev->data->tx_queues = txq;
 856
 857         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
 858                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 859
 860                 txq = dev->data->tx_queues;
 861
 862                 for (i = nb_queues; i < old_nb_queues; i++)
 863                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 864         }
 865         dev->data->nb_tx_queues = nb_queues;
 866         return 0;
 867 }
 868
 869 int
 870 rte_eth_dev_configure(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
 871                       const struct rte_eth_conf *dev_conf)
 872 {
 873         struct rte_eth_dev *dev;
 874         struct rte_eth_dev_info dev_info;
 875         int diag;
 876
 877         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 878
 879         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
 880                 RTE_PMD_DEBUG_TRACE(
 881                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
 882                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
 883                 return -EINVAL;
 884         }
 885
 886         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
 887                 RTE_PMD_DEBUG_TRACE(
 888                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
 889                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
 890                 return -EINVAL;
 891         }
 892
 893         dev = &rte_eth_devices[port_id];
 894
 895         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
 896         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
 897
 898         if (dev->data->dev_started) {
 899                 RTE_PMD_DEBUG_TRACE(
 900                     "port %d must be stopped to allow configuration\n", port_id);
 901                 return -EBUSY;
 902         }
 903
 904         /*
 905          * Check that the numbers of RX and TX queues are not greater
 906          * than the maximum number of RX and TX queues supported by the
 907          * configured device.
 908          */
 909         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
 910
 911         if (nb_rx_q == 0 && nb_tx_q == 0) {
 912                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d both rx and tx queue cannot be 0\n", port_id);
 913                 return -EINVAL;
 914         }
 915
 916         if (nb_rx_q > dev_info.max_rx_queues) {
 917                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_rx_queues=%d > %d\n",
 918                                 port_id, nb_rx_q, dev_info.max_rx_queues);
 919                 return -EINVAL;
 920         }
 921
 922         if (nb_tx_q > dev_info.max_tx_queues) {
 923                 RTE_PMD_DEBUG_TRACE("ethdev port_id=%d nb_tx_queues=%d > %d\n",
 924                                 port_id, nb_tx_q, dev_info.max_tx_queues);
 925                 return -EINVAL;
 926         }
 927
 928         /* Copy the dev_conf parameter into the dev structure */
 929         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
 930
 931         /*
 932          * If link state interrupt is enabled, check that the
 933          * device supports it.
 934          */
 935         if ((dev_conf->intr_conf.lsc == 1) &&
 936                 (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
 937                         RTE_PMD_DEBUG_TRACE("driver %s does not support lsc\n",
 938                                         dev->data->drv_name);
 939                         return -EINVAL;
 940         }
 941
 942         /*
 943          * If jumbo frames are enabled, check that the maximum RX packet
 944          * length is supported by the configured device.
 945          */
 946         if (dev_conf->rxmode.jumbo_frame == 1) {
 947                 if (dev_conf->rxmode.max_rx_pkt_len >
 948                     dev_info.max_rx_pktlen) {
 949                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
 950                                 " > max valid value %u\n",
 951                                 port_id,
 952                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
 953                                 (unsigned)dev_info.max_rx_pktlen);
 954                         return -EINVAL;
 955                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
 956                         RTE_PMD_DEBUG_TRACE("ethdev port_id=%d max_rx_pkt_len %u"
 957                                 " < min valid value %u\n",
 958                                 port_id,
 959                                 (unsigned)dev_conf->rxmode.max_rx_pkt_len,
 960                                 (unsigned)ETHER_MIN_LEN);
 961                         return -EINVAL;
 962                 }
 963         } else {
 964                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
 965                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
 966                         /* Use default value */
 967                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
 968                                                         ETHER_MAX_LEN;
 969         }
 970
 971         /*
 972          * Setup new number of RX/TX queues and reconfigure device.
 973          */
 974         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
 975         if (diag != 0) {
 976                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_rx_queue_config = %d\n",
 977                                 port_id, diag);
 978                 return diag;
 979         }
 980
 981         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
 982         if (diag != 0) {
 983                 RTE_PMD_DEBUG_TRACE("port%d rte_eth_dev_tx_queue_config = %d\n",
 984                                 port_id, diag);
 985                 rte_eth_dev_rx_queue_config(dev, 0);
 986                 return diag;
 987         }
 988
 989         diag = (*dev->dev_ops->dev_configure)(dev);
 990         if (diag != 0) {
 991                 RTE_PMD_DEBUG_TRACE("port%d dev_configure = %d\n",
 992                                 port_id, diag);
 993                 rte_eth_dev_rx_queue_config(dev, 0);
 994                 rte_eth_dev_tx_queue_config(dev, 0);
 995                 return diag;
 996         }
 997
 998         return 0;
 999 }
1000
1001 static void
1002 rte_eth_dev_config_restore(uint8_t port_id)
1003 {
1004         struct rte_eth_dev *dev;
1005         struct rte_eth_dev_info dev_info;
1006         struct ether_addr addr;
1007         uint16_t i;
1008         uint32_t pool = 0;
1009
1010         dev = &rte_eth_devices[port_id];
1011
1012         rte_eth_dev_info_get(port_id, &dev_info);
1013
1014         if (RTE_ETH_DEV_SRIOV(dev).active)
1015                 pool = RTE_ETH_DEV_SRIOV(dev).def_vmdq_idx;
1016
1017         /* replay MAC address configuration */
1018         for (i = 0; i < dev_info.max_mac_addrs; i++) {
1019                 addr = dev->data->mac_addrs[i];
1020
1021                 /* skip zero address */
1022                 if (is_zero_ether_addr(&addr))
1023                         continue;
1024
1025                 /* add address to the hardware */
1026                 if  (*dev->dev_ops->mac_addr_add &&
1027                         (dev->data->mac_pool_sel[i] & (1ULL << pool)))
1028                         (*dev->dev_ops->mac_addr_add)(dev, &addr, i, pool);
1029                 else {
1030                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array not supported\n",
1031                                         port_id);
1032                         /* exit the loop but not return an error */
1033                         break;
1034                 }
1035         }
1036
1037         /* replay promiscuous configuration */
1038         if (rte_eth_promiscuous_get(port_id) == 1)
1039                 rte_eth_promiscuous_enable(port_id);
1040         else if (rte_eth_promiscuous_get(port_id) == 0)
1041                 rte_eth_promiscuous_disable(port_id);
1042
1043         /* replay all multicast configuration */
1044         if (rte_eth_allmulticast_get(port_id) == 1)
1045                 rte_eth_allmulticast_enable(port_id);
1046         else if (rte_eth_allmulticast_get(port_id) == 0)
1047                 rte_eth_allmulticast_disable(port_id);
1048 }
1049
1050 int
1051 rte_eth_dev_start(uint8_t port_id)
1052 {
1053         struct rte_eth_dev *dev;
1054         int diag;
1055
1056         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1057
1058         dev = &rte_eth_devices[port_id];
1059
1060         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1061
1062         if (dev->data->dev_started != 0) {
1063                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu8
1064                         " already started\n",
1065                         port_id);
1066                 return 0;
1067         }
1068
1069         diag = (*dev->dev_ops->dev_start)(dev);
1070         if (diag == 0)
1071                 dev->data->dev_started = 1;
1072         else
1073                 return diag;
1074
1075         rte_eth_dev_config_restore(port_id);
1076
1077         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1078                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1079                 (*dev->dev_ops->link_update)(dev, 0);
1080         }
1081         return 0;
1082 }
1083
1084 void
1085 rte_eth_dev_stop(uint8_t port_id)
1086 {
1087         struct rte_eth_dev *dev;
1088
1089         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1090         dev = &rte_eth_devices[port_id];
1091
1092         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1093
1094         if (dev->data->dev_started == 0) {
1095                 RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu8
1096                         " already stopped\n",
1097                         port_id);
1098                 return;
1099         }
1100
1101         dev->data->dev_started = 0;
1102         (*dev->dev_ops->dev_stop)(dev);
1103 }
1104
1105 int
1106 rte_eth_dev_set_link_up(uint8_t port_id)
1107 {
1108         struct rte_eth_dev *dev;
1109
1110         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1111
1112         dev = &rte_eth_devices[port_id];
1113
1114         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1115         return (*dev->dev_ops->dev_set_link_up)(dev);
1116 }
1117
1118 int
1119 rte_eth_dev_set_link_down(uint8_t port_id)
1120 {
1121         struct rte_eth_dev *dev;
1122
1123         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1124
1125         dev = &rte_eth_devices[port_id];
1126
1127         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1128         return (*dev->dev_ops->dev_set_link_down)(dev);
1129 }
1130
1131 void
1132 rte_eth_dev_close(uint8_t port_id)
1133 {
1134         struct rte_eth_dev *dev;
1135
1136         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1137         dev = &rte_eth_devices[port_id];
1138
1139         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1140         dev->data->dev_started = 0;
1141         (*dev->dev_ops->dev_close)(dev);
1142
1143         rte_free(dev->data->rx_queues);
1144         dev->data->rx_queues = NULL;
1145         rte_free(dev->data->tx_queues);
1146         dev->data->tx_queues = NULL;
1147 }
1148
1149 int
1150 rte_eth_rx_queue_setup(uint8_t port_id, uint16_t rx_queue_id,
1151                        uint16_t nb_rx_desc, unsigned int socket_id,
1152                        const struct rte_eth_rxconf *rx_conf,
1153                        struct rte_mempool *mp)
1154 {
1155         int ret;
1156         uint32_t mbp_buf_size;
1157         struct rte_eth_dev *dev;
1158         struct rte_eth_dev_info dev_info;
1159
1160         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1161
1162         dev = &rte_eth_devices[port_id];
1163         if (rx_queue_id >= dev->data->nb_rx_queues) {
1164                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", rx_queue_id);
1165                 return -EINVAL;
1166         }
1167
1168         if (dev->data->dev_started) {
1169                 RTE_PMD_DEBUG_TRACE(
1170                     "port %d must be stopped to allow configuration\n", port_id);
1171                 return -EBUSY;
1172         }
1173
1174         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1175         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1176
1177         /*
1178          * Check the size of the mbuf data buffer.
1179          * This value must be provided in the private data of the memory pool.
1180          * First check that the memory pool has a valid private data.
1181          */
1182         rte_eth_dev_info_get(port_id, &dev_info);
1183         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1184                 RTE_PMD_DEBUG_TRACE("%s private_data_size %d < %d\n",
1185                                 mp->name, (int) mp->private_data_size,
1186                                 (int) sizeof(struct rte_pktmbuf_pool_private));
1187                 return -ENOSPC;
1188         }
1189         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1190
1191         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1192                 RTE_PMD_DEBUG_TRACE("%s mbuf_data_room_size %d < %d "
1193                                 "(RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)"
1194                                 "=%d)\n",
1195                                 mp->name,
1196                                 (int)mbp_buf_size,
1197                                 (int)(RTE_PKTMBUF_HEADROOM +
1198                                       dev_info.min_rx_bufsize),
1199                                 (int)RTE_PKTMBUF_HEADROOM,
1200                                 (int)dev_info.min_rx_bufsize);
1201                 return -EINVAL;
1202         }
1203
1204         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1205                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1206                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1207
1208                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_rx_desc(=%hu), "
1209                         "should be: <= %hu, = %hu, and a product of %hu\n",
1210                         nb_rx_desc,
1211                         dev_info.rx_desc_lim.nb_max,
1212                         dev_info.rx_desc_lim.nb_min,
1213                         dev_info.rx_desc_lim.nb_align);
1214                 return -EINVAL;
1215         }
1216
1217         if (rx_conf == NULL)
1218                 rx_conf = &dev_info.default_rxconf;
1219
1220         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1221                                               socket_id, rx_conf, mp);
1222         if (!ret) {
1223                 if (!dev->data->min_rx_buf_size ||
1224                     dev->data->min_rx_buf_size > mbp_buf_size)
1225                         dev->data->min_rx_buf_size = mbp_buf_size;
1226         }
1227
1228         return ret;
1229 }
1230
1231 int
1232 rte_eth_tx_queue_setup(uint8_t port_id, uint16_t tx_queue_id,
1233                        uint16_t nb_tx_desc, unsigned int socket_id,
1234                        const struct rte_eth_txconf *tx_conf)
1235 {
1236         struct rte_eth_dev *dev;
1237         struct rte_eth_dev_info dev_info;
1238
1239         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1240
1241         dev = &rte_eth_devices[port_id];
1242         if (tx_queue_id >= dev->data->nb_tx_queues) {
1243                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", tx_queue_id);
1244                 return -EINVAL;
1245         }
1246
1247         if (dev->data->dev_started) {
1248                 RTE_PMD_DEBUG_TRACE(
1249                     "port %d must be stopped to allow configuration\n", port_id);
1250                 return -EBUSY;
1251         }
1252
1253         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1254         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1255
1256         rte_eth_dev_info_get(port_id, &dev_info);
1257
1258         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1259             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1260             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1261                 RTE_PMD_DEBUG_TRACE("Invalid value for nb_tx_desc(=%hu), "
1262                                 "should be: <= %hu, = %hu, and a product of %hu\n",
1263                                 nb_tx_desc,
1264                                 dev_info.tx_desc_lim.nb_max,
1265                                 dev_info.tx_desc_lim.nb_min,
1266                                 dev_info.tx_desc_lim.nb_align);
1267                 return -EINVAL;
1268         }
1269
1270         if (tx_conf == NULL)
1271                 tx_conf = &dev_info.default_txconf;
1272
1273         return (*dev->dev_ops->tx_queue_setup)(dev, tx_queue_id, nb_tx_desc,
1274                                                socket_id, tx_conf);
1275 }
1276
1277 void
1278 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1279                 void *userdata __rte_unused)
1280 {
1281         unsigned i;
1282
1283         for (i = 0; i < unsent; i++)
1284                 rte_pktmbuf_free(pkts[i]);
1285 }
1286
1287 void
1288 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1289                 void *userdata)
1290 {
1291         uint64_t *count = userdata;
1292         unsigned i;
1293
1294         for (i = 0; i < unsent; i++)
1295                 rte_pktmbuf_free(pkts[i]);
1296
1297         *count += unsent;
1298 }
1299
1300 int
1301 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1302                 buffer_tx_error_fn cbfn, void *userdata)
1303 {
1304         buffer->error_callback = cbfn;
1305         buffer->error_userdata = userdata;
1306         return 0;
1307 }
1308
1309 int
1310 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1311 {
1312         if (buffer == NULL)
1313                 return -EINVAL;
1314
1315         buffer->size = size;
1316         if (buffer->error_callback == NULL)
1317                 rte_eth_tx_buffer_set_err_callback(buffer,
1318                                 rte_eth_tx_buffer_drop_callback, NULL);
1319
1320         return 0;
1321 }
1322
1323 void
1324 rte_eth_promiscuous_enable(uint8_t port_id)
1325 {
1326         struct rte_eth_dev *dev;
1327
1328         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1329         dev = &rte_eth_devices[port_id];
1330
1331         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1332         (*dev->dev_ops->promiscuous_enable)(dev);
1333         dev->data->promiscuous = 1;
1334 }
1335
1336 void
1337 rte_eth_promiscuous_disable(uint8_t port_id)
1338 {
1339         struct rte_eth_dev *dev;
1340
1341         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1342         dev = &rte_eth_devices[port_id];
1343
1344         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1345         dev->data->promiscuous = 0;
1346         (*dev->dev_ops->promiscuous_disable)(dev);
1347 }
1348
1349 int
1350 rte_eth_promiscuous_get(uint8_t port_id)
1351 {
1352         struct rte_eth_dev *dev;
1353
1354         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1355
1356         dev = &rte_eth_devices[port_id];
1357         return dev->data->promiscuous;
1358 }
1359
1360 void
1361 rte_eth_allmulticast_enable(uint8_t port_id)
1362 {
1363         struct rte_eth_dev *dev;
1364
1365         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1366         dev = &rte_eth_devices[port_id];
1367
1368         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1369         (*dev->dev_ops->allmulticast_enable)(dev);
1370         dev->data->all_multicast = 1;
1371 }
1372
1373 void
1374 rte_eth_allmulticast_disable(uint8_t port_id)
1375 {
1376         struct rte_eth_dev *dev;
1377
1378         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1379         dev = &rte_eth_devices[port_id];
1380
1381         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1382         dev->data->all_multicast = 0;
1383         (*dev->dev_ops->allmulticast_disable)(dev);
1384 }
1385
1386 int
1387 rte_eth_allmulticast_get(uint8_t port_id)
1388 {
1389         struct rte_eth_dev *dev;
1390
1391         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1392
1393         dev = &rte_eth_devices[port_id];
1394         return dev->data->all_multicast;
1395 }
1396
1397 static inline int
1398 rte_eth_dev_atomic_read_link_status(struct rte_eth_dev *dev,
1399                                 struct rte_eth_link *link)
1400 {
1401         struct rte_eth_link *dst = link;
1402         struct rte_eth_link *src = &(dev->data->dev_link);
1403
1404         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
1405                                         *(uint64_t *)src) == 0)
1406                 return -1;
1407
1408         return 0;
1409 }
1410
1411 void
1412 rte_eth_link_get(uint8_t port_id, struct rte_eth_link *eth_link)
1413 {
1414         struct rte_eth_dev *dev;
1415
1416         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1417         dev = &rte_eth_devices[port_id];
1418
1419         if (dev->data->dev_conf.intr_conf.lsc != 0)
1420                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1421         else {
1422                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1423                 (*dev->dev_ops->link_update)(dev, 1);
1424                 *eth_link = dev->data->dev_link;
1425         }
1426 }
1427
1428 void
1429 rte_eth_link_get_nowait(uint8_t port_id, struct rte_eth_link *eth_link)
1430 {
1431         struct rte_eth_dev *dev;
1432
1433         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1434         dev = &rte_eth_devices[port_id];
1435
1436         if (dev->data->dev_conf.intr_conf.lsc != 0)
1437                 rte_eth_dev_atomic_read_link_status(dev, eth_link);
1438         else {
1439                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1440                 (*dev->dev_ops->link_update)(dev, 0);
1441                 *eth_link = dev->data->dev_link;
1442         }
1443 }
1444
1445 int
1446 rte_eth_stats_get(uint8_t port_id, struct rte_eth_stats *stats)
1447 {
1448         struct rte_eth_dev *dev;
1449
1450         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1451
1452         dev = &rte_eth_devices[port_id];
1453         memset(stats, 0, sizeof(*stats));
1454
1455         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1456         (*dev->dev_ops->stats_get)(dev, stats);
1457         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1458         return 0;
1459 }
1460
1461 void
1462 rte_eth_stats_reset(uint8_t port_id)
1463 {
1464         struct rte_eth_dev *dev;
1465
1466         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1467         dev = &rte_eth_devices[port_id];
1468
1469         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
1470         (*dev->dev_ops->stats_reset)(dev);
1471         dev->data->rx_mbuf_alloc_failed = 0;
1472 }
1473
1474 /* retrieve ethdev extended statistics */
1475 int
1476 rte_eth_xstats_get(uint8_t port_id, struct rte_eth_xstats *xstats,
1477         unsigned n)
1478 {
1479         struct rte_eth_stats eth_stats;
1480         struct rte_eth_dev *dev;
1481         unsigned count = 0, i, q;
1482         signed xcount = 0;
1483         uint64_t val, *stats_ptr;
1484
1485         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1486
1487         dev = &rte_eth_devices[port_id];
1488
1489         /* Return generic statistics */
1490         count = RTE_NB_STATS + (dev->data->nb_rx_queues * RTE_NB_RXQ_STATS) +
1491                 (dev->data->nb_tx_queues * RTE_NB_TXQ_STATS);
1492
1493         /* implemented by the driver */
1494         if (dev->dev_ops->xstats_get != NULL) {
1495                 /* Retrieve the xstats from the driver at the end of the
1496                  * xstats struct.
1497                  */
1498                 xcount = (*dev->dev_ops->xstats_get)(dev,
1499                                      xstats ? xstats + count : NULL,
1500                                      (n > count) ? n - count : 0);
1501
1502                 if (xcount < 0)
1503                         return xcount;
1504         }
1505
1506         if (n < count + xcount)
1507                 return count + xcount;
1508
1509         /* now fill the xstats structure */
1510         count = 0;
1511         rte_eth_stats_get(port_id, &eth_stats);
1512
1513         /* global stats */
1514         for (i = 0; i < RTE_NB_STATS; i++) {
1515                 stats_ptr = RTE_PTR_ADD(&eth_stats,
1516                                         rte_stats_strings[i].offset);
1517                 val = *stats_ptr;
1518                 snprintf(xstats[count].name, sizeof(xstats[count].name),
1519                         "%s", rte_stats_strings[i].name);
1520                 xstats[count++].value = val;
1521         }
1522
1523         /* per-rxq stats */
1524         for (q = 0; q < dev->data->nb_rx_queues; q++) {
1525                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
1526                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1527                                         rte_rxq_stats_strings[i].offset +
1528                                         q * sizeof(uint64_t));
1529                         val = *stats_ptr;
1530                         snprintf(xstats[count].name, sizeof(xstats[count].name),
1531                                 "rx_q%u_%s", q,
1532                                 rte_rxq_stats_strings[i].name);
1533                         xstats[count++].value = val;
1534                 }
1535         }
1536
1537         /* per-txq stats */
1538         for (q = 0; q < dev->data->nb_tx_queues; q++) {
1539                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
1540                         stats_ptr = RTE_PTR_ADD(&eth_stats,
1541                                         rte_txq_stats_strings[i].offset +
1542                                         q * sizeof(uint64_t));
1543                         val = *stats_ptr;
1544                         snprintf(xstats[count].name, sizeof(xstats[count].name),
1545                                 "tx_q%u_%s", q,
1546                                 rte_txq_stats_strings[i].name);
1547                         xstats[count++].value = val;
1548                 }
1549         }
1550
1551         return count + xcount;
1552 }
1553
1554 /* reset ethdev extended statistics */
1555 void
1556 rte_eth_xstats_reset(uint8_t port_id)
1557 {
1558         struct rte_eth_dev *dev;
1559
1560         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1561         dev = &rte_eth_devices[port_id];
1562
1563         /* implemented by the driver */
1564         if (dev->dev_ops->xstats_reset != NULL) {
1565                 (*dev->dev_ops->xstats_reset)(dev);
1566                 return;
1567         }
1568
1569         /* fallback to default */
1570         rte_eth_stats_reset(port_id);
1571 }
1572
1573 static int
1574 set_queue_stats_mapping(uint8_t port_id, uint16_t queue_id, uint8_t stat_idx,
1575                 uint8_t is_rx)
1576 {
1577         struct rte_eth_dev *dev;
1578
1579         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1580
1581         dev = &rte_eth_devices[port_id];
1582
1583         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
1584         return (*dev->dev_ops->queue_stats_mapping_set)
1585                         (dev, queue_id, stat_idx, is_rx);
1586 }
1587
1588
1589 int
1590 rte_eth_dev_set_tx_queue_stats_mapping(uint8_t port_id, uint16_t tx_queue_id,
1591                 uint8_t stat_idx)
1592 {
1593         return set_queue_stats_mapping(port_id, tx_queue_id, stat_idx,
1594                         STAT_QMAP_TX);
1595 }
1596
1597
1598 int
1599 rte_eth_dev_set_rx_queue_stats_mapping(uint8_t port_id, uint16_t rx_queue_id,
1600                 uint8_t stat_idx)
1601 {
1602         return set_queue_stats_mapping(port_id, rx_queue_id, stat_idx,
1603                         STAT_QMAP_RX);
1604 }
1605
1606
1607 void
1608 rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info)
1609 {
1610         struct rte_eth_dev *dev;
1611         const struct rte_eth_desc_lim lim = {
1612                 .nb_max = UINT16_MAX,
1613                 .nb_min = 0,
1614                 .nb_align = 1,
1615         };
1616
1617         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1618         dev = &rte_eth_devices[port_id];
1619
1620         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
1621         dev_info->rx_desc_lim = lim;
1622         dev_info->tx_desc_lim = lim;
1623
1624         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
1625         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
1626         dev_info->pci_dev = dev->pci_dev;
1627         dev_info->driver_name = dev->data->drv_name;
1628 }
1629
1630 void
1631 rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr)
1632 {
1633         struct rte_eth_dev *dev;
1634
1635         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1636         dev = &rte_eth_devices[port_id];
1637         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
1638 }
1639
1640
1641 int
1642 rte_eth_dev_get_mtu(uint8_t port_id, uint16_t *mtu)
1643 {
1644         struct rte_eth_dev *dev;
1645
1646         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1647
1648         dev = &rte_eth_devices[port_id];
1649         *mtu = dev->data->mtu;
1650         return 0;
1651 }
1652
1653 int
1654 rte_eth_dev_set_mtu(uint8_t port_id, uint16_t mtu)
1655 {
1656         int ret;
1657         struct rte_eth_dev *dev;
1658
1659         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1660         dev = &rte_eth_devices[port_id];
1661         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
1662
1663         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
1664         if (!ret)
1665                 dev->data->mtu = mtu;
1666
1667         return ret;
1668 }
1669
1670 int
1671 rte_eth_dev_vlan_filter(uint8_t port_id, uint16_t vlan_id, int on)
1672 {
1673         struct rte_eth_dev *dev;
1674
1675         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1676         dev = &rte_eth_devices[port_id];
1677         if (!(dev->data->dev_conf.rxmode.hw_vlan_filter)) {
1678                 RTE_PMD_DEBUG_TRACE("port %d: vlan-filtering disabled\n", port_id);
1679                 return -ENOSYS;
1680         }
1681
1682         if (vlan_id > 4095) {
1683                 RTE_PMD_DEBUG_TRACE("(port_id=%d) invalid vlan_id=%u > 4095\n",
1684                                 port_id, (unsigned) vlan_id);
1685                 return -EINVAL;
1686         }
1687         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
1688
1689         return (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
1690 }
1691
1692 int
1693 rte_eth_dev_set_vlan_strip_on_queue(uint8_t port_id, uint16_t rx_queue_id, int on)
1694 {
1695         struct rte_eth_dev *dev;
1696
1697         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1698         dev = &rte_eth_devices[port_id];
1699         if (rx_queue_id >= dev->data->nb_rx_queues) {
1700                 RTE_PMD_DEBUG_TRACE("Invalid rx_queue_id=%d\n", port_id);
1701                 return -EINVAL;
1702         }
1703
1704         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
1705         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
1706
1707         return 0;
1708 }
1709
1710 int
1711 rte_eth_dev_set_vlan_ether_type(uint8_t port_id,
1712                                 enum rte_vlan_type vlan_type,
1713                                 uint16_t tpid)
1714 {
1715         struct rte_eth_dev *dev;
1716
1717         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1718         dev = &rte_eth_devices[port_id];
1719         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
1720
1721         return (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type, tpid);
1722 }
1723
1724 int
1725 rte_eth_dev_set_vlan_offload(uint8_t port_id, int offload_mask)
1726 {
1727         struct rte_eth_dev *dev;
1728         int ret = 0;
1729         int mask = 0;
1730         int cur, org = 0;
1731
1732         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1733         dev = &rte_eth_devices[port_id];
1734
1735         /*check which option changed by application*/
1736         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
1737         org = !!(dev->data->dev_conf.rxmode.hw_vlan_strip);
1738         if (cur != org) {
1739                 dev->data->dev_conf.rxmode.hw_vlan_strip = (uint8_t)cur;
1740                 mask |= ETH_VLAN_STRIP_MASK;
1741         }
1742
1743         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
1744         org = !!(dev->data->dev_conf.rxmode.hw_vlan_filter);
1745         if (cur != org) {
1746                 dev->data->dev_conf.rxmode.hw_vlan_filter = (uint8_t)cur;
1747                 mask |= ETH_VLAN_FILTER_MASK;
1748         }
1749
1750         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
1751         org = !!(dev->data->dev_conf.rxmode.hw_vlan_extend);
1752         if (cur != org) {
1753                 dev->data->dev_conf.rxmode.hw_vlan_extend = (uint8_t)cur;
1754                 mask |= ETH_VLAN_EXTEND_MASK;
1755         }
1756
1757         /*no change*/
1758         if (mask == 0)
1759                 return ret;
1760
1761         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
1762         (*dev->dev_ops->vlan_offload_set)(dev, mask);
1763
1764         return ret;
1765 }
1766
1767 int
1768 rte_eth_dev_get_vlan_offload(uint8_t port_id)
1769 {
1770         struct rte_eth_dev *dev;
1771         int ret = 0;
1772
1773         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1774         dev = &rte_eth_devices[port_id];
1775
1776         if (dev->data->dev_conf.rxmode.hw_vlan_strip)
1777                 ret |= ETH_VLAN_STRIP_OFFLOAD;
1778
1779         if (dev->data->dev_conf.rxmode.hw_vlan_filter)
1780                 ret |= ETH_VLAN_FILTER_OFFLOAD;
1781
1782         if (dev->data->dev_conf.rxmode.hw_vlan_extend)
1783                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
1784
1785         return ret;
1786 }
1787
1788 int
1789 rte_eth_dev_set_vlan_pvid(uint8_t port_id, uint16_t pvid, int on)
1790 {
1791         struct rte_eth_dev *dev;
1792
1793         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1794         dev = &rte_eth_devices[port_id];
1795         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
1796         (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on);
1797
1798         return 0;
1799 }
1800
1801 int
1802 rte_eth_dev_flow_ctrl_get(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
1803 {
1804         struct rte_eth_dev *dev;
1805
1806         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1807         dev = &rte_eth_devices[port_id];
1808         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
1809         memset(fc_conf, 0, sizeof(*fc_conf));
1810         return (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf);
1811 }
1812
1813 int
1814 rte_eth_dev_flow_ctrl_set(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
1815 {
1816         struct rte_eth_dev *dev;
1817
1818         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1819         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
1820                 RTE_PMD_DEBUG_TRACE("Invalid send_xon, only 0/1 allowed\n");
1821                 return -EINVAL;
1822         }
1823
1824         dev = &rte_eth_devices[port_id];
1825         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
1826         return (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf);
1827 }
1828
1829 int
1830 rte_eth_dev_priority_flow_ctrl_set(uint8_t port_id, struct rte_eth_pfc_conf *pfc_conf)
1831 {
1832         struct rte_eth_dev *dev;
1833
1834         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1835         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
1836                 RTE_PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
1837                 return -EINVAL;
1838         }
1839
1840         dev = &rte_eth_devices[port_id];
1841         /* High water, low water validation are device specific */
1842         if  (*dev->dev_ops->priority_flow_ctrl_set)
1843                 return (*dev->dev_ops->priority_flow_ctrl_set)(dev, pfc_conf);
1844         return -ENOTSUP;
1845 }
1846
1847 static int
1848 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
1849                         uint16_t reta_size)
1850 {
1851         uint16_t i, num;
1852
1853         if (!reta_conf)
1854                 return -EINVAL;
1855
1856         if (reta_size != RTE_ALIGN(reta_size, RTE_RETA_GROUP_SIZE)) {
1857                 RTE_PMD_DEBUG_TRACE("Invalid reta size, should be %u aligned\n",
1858                                                         RTE_RETA_GROUP_SIZE);
1859                 return -EINVAL;
1860         }
1861
1862         num = reta_size / RTE_RETA_GROUP_SIZE;
1863         for (i = 0; i < num; i++) {
1864                 if (reta_conf[i].mask)
1865                         return 0;
1866         }
1867
1868         return -EINVAL;
1869 }
1870
1871 static int
1872 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
1873                          uint16_t reta_size,
1874                          uint16_t max_rxq)
1875 {
1876         uint16_t i, idx, shift;
1877
1878         if (!reta_conf)
1879                 return -EINVAL;
1880
1881         if (max_rxq == 0) {
1882                 RTE_PMD_DEBUG_TRACE("No receive queue is available\n");
1883                 return -EINVAL;
1884         }
1885
1886         for (i = 0; i < reta_size; i++) {
1887                 idx = i / RTE_RETA_GROUP_SIZE;
1888                 shift = i % RTE_RETA_GROUP_SIZE;
1889                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
1890                         (reta_conf[idx].reta[shift] >= max_rxq)) {
1891                         RTE_PMD_DEBUG_TRACE("reta_conf[%u]->reta[%u]: %u exceeds "
1892                                 "the maximum rxq index: %u\n", idx, shift,
1893                                 reta_conf[idx].reta[shift], max_rxq);
1894                         return -EINVAL;
1895                 }
1896         }
1897
1898         return 0;
1899 }
1900
1901 int
1902 rte_eth_dev_rss_reta_update(uint8_t port_id,
1903                             struct rte_eth_rss_reta_entry64 *reta_conf,
1904                             uint16_t reta_size)
1905 {
1906         struct rte_eth_dev *dev;
1907         int ret;
1908
1909         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1910         /* Check mask bits */
1911         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
1912         if (ret < 0)
1913                 return ret;
1914
1915         dev = &rte_eth_devices[port_id];
1916
1917         /* Check entry value */
1918         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
1919                                 dev->data->nb_rx_queues);
1920         if (ret < 0)
1921                 return ret;
1922
1923         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
1924         return (*dev->dev_ops->reta_update)(dev, reta_conf, reta_size);
1925 }
1926
1927 int
1928 rte_eth_dev_rss_reta_query(uint8_t port_id,
1929                            struct rte_eth_rss_reta_entry64 *reta_conf,
1930                            uint16_t reta_size)
1931 {
1932         struct rte_eth_dev *dev;
1933         int ret;
1934
1935         if (port_id >= nb_ports) {
1936                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
1937                 return -ENODEV;
1938         }
1939
1940         /* Check mask bits */
1941         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
1942         if (ret < 0)
1943                 return ret;
1944
1945         dev = &rte_eth_devices[port_id];
1946         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
1947         return (*dev->dev_ops->reta_query)(dev, reta_conf, reta_size);
1948 }
1949
1950 int
1951 rte_eth_dev_rss_hash_update(uint8_t port_id, struct rte_eth_rss_conf *rss_conf)
1952 {
1953         struct rte_eth_dev *dev;
1954         uint16_t rss_hash_protos;
1955
1956         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1957         rss_hash_protos = rss_conf->rss_hf;
1958         if ((rss_hash_protos != 0) &&
1959             ((rss_hash_protos & ETH_RSS_PROTO_MASK) == 0)) {
1960                 RTE_PMD_DEBUG_TRACE("Invalid rss_hash_protos=0x%x\n",
1961                                 rss_hash_protos);
1962                 return -EINVAL;
1963         }
1964         dev = &rte_eth_devices[port_id];
1965         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
1966         return (*dev->dev_ops->rss_hash_update)(dev, rss_conf);
1967 }
1968
1969 int
1970 rte_eth_dev_rss_hash_conf_get(uint8_t port_id,
1971                               struct rte_eth_rss_conf *rss_conf)
1972 {
1973         struct rte_eth_dev *dev;
1974
1975         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1976         dev = &rte_eth_devices[port_id];
1977         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
1978         return (*dev->dev_ops->rss_hash_conf_get)(dev, rss_conf);
1979 }
1980
1981 int
1982 rte_eth_dev_udp_tunnel_port_add(uint8_t port_id,
1983                                 struct rte_eth_udp_tunnel *udp_tunnel)
1984 {
1985         struct rte_eth_dev *dev;
1986
1987         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1988         if (udp_tunnel == NULL) {
1989                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
1990                 return -EINVAL;
1991         }
1992
1993         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
1994                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
1995                 return -EINVAL;
1996         }
1997
1998         dev = &rte_eth_devices[port_id];
1999         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2000         return (*dev->dev_ops->udp_tunnel_port_add)(dev, udp_tunnel);
2001 }
2002
2003 int
2004 rte_eth_dev_udp_tunnel_port_delete(uint8_t port_id,
2005                                    struct rte_eth_udp_tunnel *udp_tunnel)
2006 {
2007         struct rte_eth_dev *dev;
2008
2009         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2010         dev = &rte_eth_devices[port_id];
2011
2012         if (udp_tunnel == NULL) {
2013                 RTE_PMD_DEBUG_TRACE("Invalid udp_tunnel parameter\n");
2014                 return -EINVAL;
2015         }
2016
2017         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2018                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
2019                 return -EINVAL;
2020         }
2021
2022         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
2023         return (*dev->dev_ops->udp_tunnel_port_del)(dev, udp_tunnel);
2024 }
2025
2026 int
2027 rte_eth_led_on(uint8_t port_id)
2028 {
2029         struct rte_eth_dev *dev;
2030
2031         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2032         dev = &rte_eth_devices[port_id];
2033         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
2034         return (*dev->dev_ops->dev_led_on)(dev);
2035 }
2036
2037 int
2038 rte_eth_led_off(uint8_t port_id)
2039 {
2040         struct rte_eth_dev *dev;
2041
2042         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2043         dev = &rte_eth_devices[port_id];
2044         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
2045         return (*dev->dev_ops->dev_led_off)(dev);
2046 }
2047
2048 /*
2049  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2050  * an empty spot.
2051  */
2052 static int
2053 get_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
2054 {
2055         struct rte_eth_dev_info dev_info;
2056         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2057         unsigned i;
2058
2059         rte_eth_dev_info_get(port_id, &dev_info);
2060
2061         for (i = 0; i < dev_info.max_mac_addrs; i++)
2062                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
2063                         return i;
2064
2065         return -1;
2066 }
2067
2068 static const struct ether_addr null_mac_addr;
2069
2070 int
2071 rte_eth_dev_mac_addr_add(uint8_t port_id, struct ether_addr *addr,
2072                         uint32_t pool)
2073 {
2074         struct rte_eth_dev *dev;
2075         int index;
2076         uint64_t pool_mask;
2077
2078         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2079         dev = &rte_eth_devices[port_id];
2080         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
2081
2082         if (is_zero_ether_addr(addr)) {
2083                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2084                         port_id);
2085                 return -EINVAL;
2086         }
2087         if (pool >= ETH_64_POOLS) {
2088                 RTE_PMD_DEBUG_TRACE("pool id must be 0-%d\n", ETH_64_POOLS - 1);
2089                 return -EINVAL;
2090         }
2091
2092         index = get_mac_addr_index(port_id, addr);
2093         if (index < 0) {
2094                 index = get_mac_addr_index(port_id, &null_mac_addr);
2095                 if (index < 0) {
2096                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2097                                 port_id);
2098                         return -ENOSPC;
2099                 }
2100         } else {
2101                 pool_mask = dev->data->mac_pool_sel[index];
2102
2103                 /* Check if both MAC address and pool is already there, and do nothing */
2104                 if (pool_mask & (1ULL << pool))
2105                         return 0;
2106         }
2107
2108         /* Update NIC */
2109         (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
2110
2111         /* Update address in NIC data structure */
2112         ether_addr_copy(addr, &dev->data->mac_addrs[index]);
2113
2114         /* Update pool bitmap in NIC data structure */
2115         dev->data->mac_pool_sel[index] |= (1ULL << pool);
2116
2117         return 0;
2118 }
2119
2120 int
2121 rte_eth_dev_mac_addr_remove(uint8_t port_id, struct ether_addr *addr)
2122 {
2123         struct rte_eth_dev *dev;
2124         int index;
2125
2126         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2127         dev = &rte_eth_devices[port_id];
2128         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
2129
2130         index = get_mac_addr_index(port_id, addr);
2131         if (index == 0) {
2132                 RTE_PMD_DEBUG_TRACE("port %d: Cannot remove default MAC address\n", port_id);
2133                 return -EADDRINUSE;
2134         } else if (index < 0)
2135                 return 0;  /* Do nothing if address wasn't found */
2136
2137         /* Update NIC */
2138         (*dev->dev_ops->mac_addr_remove)(dev, index);
2139
2140         /* Update address in NIC data structure */
2141         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
2142
2143         /* reset pool bitmap */
2144         dev->data->mac_pool_sel[index] = 0;
2145
2146         return 0;
2147 }
2148
2149 int
2150 rte_eth_dev_default_mac_addr_set(uint8_t port_id, struct ether_addr *addr)
2151 {
2152         struct rte_eth_dev *dev;
2153
2154         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2155
2156         if (!is_valid_assigned_ether_addr(addr))
2157                 return -EINVAL;
2158
2159         dev = &rte_eth_devices[port_id];
2160         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
2161
2162         /* Update default address in NIC data structure */
2163         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
2164
2165         (*dev->dev_ops->mac_addr_set)(dev, addr);
2166
2167         return 0;
2168 }
2169
2170 int
2171 rte_eth_dev_set_vf_rxmode(uint8_t port_id,  uint16_t vf,
2172                                 uint16_t rx_mode, uint8_t on)
2173 {
2174         uint16_t num_vfs;
2175         struct rte_eth_dev *dev;
2176         struct rte_eth_dev_info dev_info;
2177
2178         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2179
2180         dev = &rte_eth_devices[port_id];
2181         rte_eth_dev_info_get(port_id, &dev_info);
2182
2183         num_vfs = dev_info.max_vfs;
2184         if (vf > num_vfs) {
2185                 RTE_PMD_DEBUG_TRACE("set VF RX mode:invalid VF id %d\n", vf);
2186                 return -EINVAL;
2187         }
2188
2189         if (rx_mode == 0) {
2190                 RTE_PMD_DEBUG_TRACE("set VF RX mode:mode mask ca not be zero\n");
2191                 return -EINVAL;
2192         }
2193         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_rx_mode, -ENOTSUP);
2194         return (*dev->dev_ops->set_vf_rx_mode)(dev, vf, rx_mode, on);
2195 }
2196
2197 /*
2198  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
2199  * an empty spot.
2200  */
2201 static int
2202 get_hash_mac_addr_index(uint8_t port_id, const struct ether_addr *addr)
2203 {
2204         struct rte_eth_dev_info dev_info;
2205         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2206         unsigned i;
2207
2208         rte_eth_dev_info_get(port_id, &dev_info);
2209         if (!dev->data->hash_mac_addrs)
2210                 return -1;
2211
2212         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
2213                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
2214                         ETHER_ADDR_LEN) == 0)
2215                         return i;
2216
2217         return -1;
2218 }
2219
2220 int
2221 rte_eth_dev_uc_hash_table_set(uint8_t port_id, struct ether_addr *addr,
2222                                 uint8_t on)
2223 {
2224         int index;
2225         int ret;
2226         struct rte_eth_dev *dev;
2227
2228         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2229
2230         dev = &rte_eth_devices[port_id];
2231         if (is_zero_ether_addr(addr)) {
2232                 RTE_PMD_DEBUG_TRACE("port %d: Cannot add NULL MAC address\n",
2233                         port_id);
2234                 return -EINVAL;
2235         }
2236
2237         index = get_hash_mac_addr_index(port_id, addr);
2238         /* Check if it's already there, and do nothing */
2239         if ((index >= 0) && (on))
2240                 return 0;
2241
2242         if (index < 0) {
2243                 if (!on) {
2244                         RTE_PMD_DEBUG_TRACE("port %d: the MAC address was not "
2245                                 "set in UTA\n", port_id);
2246                         return -EINVAL;
2247                 }
2248
2249                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
2250                 if (index < 0) {
2251                         RTE_PMD_DEBUG_TRACE("port %d: MAC address array full\n",
2252                                         port_id);
2253                         return -ENOSPC;
2254                 }
2255         }
2256
2257         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
2258         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
2259         if (ret == 0) {
2260                 /* Update address in NIC data structure */
2261                 if (on)
2262                         ether_addr_copy(addr,
2263                                         &dev->data->hash_mac_addrs[index]);
2264                 else
2265                         ether_addr_copy(&null_mac_addr,
2266                                         &dev->data->hash_mac_addrs[index]);
2267         }
2268
2269         return ret;
2270 }
2271
2272 int
2273 rte_eth_dev_uc_all_hash_table_set(uint8_t port_id, uint8_t on)
2274 {
2275         struct rte_eth_dev *dev;
2276
2277         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2278
2279         dev = &rte_eth_devices[port_id];
2280
2281         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
2282         return (*dev->dev_ops->uc_all_hash_table_set)(dev, on);
2283 }
2284
2285 int
2286 rte_eth_dev_set_vf_rx(uint8_t port_id, uint16_t vf, uint8_t on)
2287 {
2288         uint16_t num_vfs;
2289         struct rte_eth_dev *dev;
2290         struct rte_eth_dev_info dev_info;
2291
2292         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2293
2294         dev = &rte_eth_devices[port_id];
2295         rte_eth_dev_info_get(port_id, &dev_info);
2296
2297         num_vfs = dev_info.max_vfs;
2298         if (vf > num_vfs) {
2299                 RTE_PMD_DEBUG_TRACE("port %d: invalid vf id\n", port_id);
2300                 return -EINVAL;
2301         }
2302
2303         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_rx, -ENOTSUP);
2304         return (*dev->dev_ops->set_vf_rx)(dev, vf, on);
2305 }
2306
2307 int
2308 rte_eth_dev_set_vf_tx(uint8_t port_id, uint16_t vf, uint8_t on)
2309 {
2310         uint16_t num_vfs;
2311         struct rte_eth_dev *dev;
2312         struct rte_eth_dev_info dev_info;
2313
2314         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2315
2316         dev = &rte_eth_devices[port_id];
2317         rte_eth_dev_info_get(port_id, &dev_info);
2318
2319         num_vfs = dev_info.max_vfs;
2320         if (vf > num_vfs) {
2321                 RTE_PMD_DEBUG_TRACE("set pool tx:invalid pool id=%d\n", vf);
2322                 return -EINVAL;
2323         }
2324
2325         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_tx, -ENOTSUP);
2326         return (*dev->dev_ops->set_vf_tx)(dev, vf, on);
2327 }
2328
2329 int
2330 rte_eth_dev_set_vf_vlan_filter(uint8_t port_id, uint16_t vlan_id,
2331                                uint64_t vf_mask, uint8_t vlan_on)
2332 {
2333         struct rte_eth_dev *dev;
2334
2335         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2336
2337         dev = &rte_eth_devices[port_id];
2338
2339         if (vlan_id > ETHER_MAX_VLAN_ID) {
2340                 RTE_PMD_DEBUG_TRACE("VF VLAN filter:invalid VLAN id=%d\n",
2341                         vlan_id);
2342                 return -EINVAL;
2343         }
2344
2345         if (vf_mask == 0) {
2346                 RTE_PMD_DEBUG_TRACE("VF VLAN filter:pool_mask can not be 0\n");
2347                 return -EINVAL;
2348         }
2349
2350         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_vlan_filter, -ENOTSUP);
2351         return (*dev->dev_ops->set_vf_vlan_filter)(dev, vlan_id,
2352                                                    vf_mask, vlan_on);
2353 }
2354
2355 int rte_eth_set_queue_rate_limit(uint8_t port_id, uint16_t queue_idx,
2356                                         uint16_t tx_rate)
2357 {
2358         struct rte_eth_dev *dev;
2359         struct rte_eth_dev_info dev_info;
2360         struct rte_eth_link link;
2361
2362         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2363
2364         dev = &rte_eth_devices[port_id];
2365         rte_eth_dev_info_get(port_id, &dev_info);
2366         link = dev->data->dev_link;
2367
2368         if (queue_idx > dev_info.max_tx_queues) {
2369                 RTE_PMD_DEBUG_TRACE("set queue rate limit:port %d: "
2370                                 "invalid queue id=%d\n", port_id, queue_idx);
2371                 return -EINVAL;
2372         }
2373
2374         if (tx_rate > link.link_speed) {
2375                 RTE_PMD_DEBUG_TRACE("set queue rate limit:invalid tx_rate=%d, "
2376                                 "bigger than link speed= %d\n",
2377                         tx_rate, link.link_speed);
2378                 return -EINVAL;
2379         }
2380
2381         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
2382         return (*dev->dev_ops->set_queue_rate_limit)(dev, queue_idx, tx_rate);
2383 }
2384
2385 int rte_eth_set_vf_rate_limit(uint8_t port_id, uint16_t vf, uint16_t tx_rate,
2386                                 uint64_t q_msk)
2387 {
2388         struct rte_eth_dev *dev;
2389         struct rte_eth_dev_info dev_info;
2390         struct rte_eth_link link;
2391
2392         if (q_msk == 0)
2393                 return 0;
2394
2395         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2396
2397         dev = &rte_eth_devices[port_id];
2398         rte_eth_dev_info_get(port_id, &dev_info);
2399         link = dev->data->dev_link;
2400
2401         if (vf > dev_info.max_vfs) {
2402                 RTE_PMD_DEBUG_TRACE("set VF rate limit:port %d: "
2403                                 "invalid vf id=%d\n", port_id, vf);
2404                 return -EINVAL;
2405         }
2406
2407         if (tx_rate > link.link_speed) {
2408                 RTE_PMD_DEBUG_TRACE("set VF rate limit:invalid tx_rate=%d, "
2409                                 "bigger than link speed= %d\n",
2410                                 tx_rate, link.link_speed);
2411                 return -EINVAL;
2412         }
2413
2414         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_rate_limit, -ENOTSUP);
2415         return (*dev->dev_ops->set_vf_rate_limit)(dev, vf, tx_rate, q_msk);
2416 }
2417
2418 int
2419 rte_eth_mirror_rule_set(uint8_t port_id,
2420                         struct rte_eth_mirror_conf *mirror_conf,
2421                         uint8_t rule_id, uint8_t on)
2422 {
2423         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2424
2425         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2426         if (mirror_conf->rule_type == 0) {
2427                 RTE_PMD_DEBUG_TRACE("mirror rule type can not be 0.\n");
2428                 return -EINVAL;
2429         }
2430
2431         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
2432                 RTE_PMD_DEBUG_TRACE("Invalid dst pool, pool id must be 0-%d\n",
2433                                 ETH_64_POOLS - 1);
2434                 return -EINVAL;
2435         }
2436
2437         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
2438              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
2439             (mirror_conf->pool_mask == 0)) {
2440                 RTE_PMD_DEBUG_TRACE("Invalid mirror pool, pool mask can not be 0.\n");
2441                 return -EINVAL;
2442         }
2443
2444         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
2445             mirror_conf->vlan.vlan_mask == 0) {
2446                 RTE_PMD_DEBUG_TRACE("Invalid vlan mask, vlan mask can not be 0.\n");
2447                 return -EINVAL;
2448         }
2449
2450         dev = &rte_eth_devices[port_id];
2451         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
2452
2453         return (*dev->dev_ops->mirror_rule_set)(dev, mirror_conf, rule_id, on);
2454 }
2455
2456 int
2457 rte_eth_mirror_rule_reset(uint8_t port_id, uint8_t rule_id)
2458 {
2459         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2460
2461         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2462
2463         dev = &rte_eth_devices[port_id];
2464         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
2465
2466         return (*dev->dev_ops->mirror_rule_reset)(dev, rule_id);
2467 }
2468
2469 int
2470 rte_eth_dev_callback_register(uint8_t port_id,
2471                         enum rte_eth_event_type event,
2472                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
2473 {
2474         struct rte_eth_dev *dev;
2475         struct rte_eth_dev_callback *user_cb;
2476
2477         if (!cb_fn)
2478                 return -EINVAL;
2479
2480         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2481
2482         dev = &rte_eth_devices[port_id];
2483         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2484
2485         TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
2486                 if (user_cb->cb_fn == cb_fn &&
2487                         user_cb->cb_arg == cb_arg &&
2488                         user_cb->event == event) {
2489                         break;
2490                 }
2491         }
2492
2493         /* create a new callback. */
2494         if (user_cb == NULL)
2495                 user_cb = rte_zmalloc("INTR_USER_CALLBACK",
2496                                         sizeof(struct rte_eth_dev_callback), 0);
2497         if (user_cb != NULL) {
2498                 user_cb->cb_fn = cb_fn;
2499                 user_cb->cb_arg = cb_arg;
2500                 user_cb->event = event;
2501                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
2502         }
2503
2504         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2505         return (user_cb == NULL) ? -ENOMEM : 0;
2506 }
2507
2508 int
2509 rte_eth_dev_callback_unregister(uint8_t port_id,
2510                         enum rte_eth_event_type event,
2511                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
2512 {
2513         int ret;
2514         struct rte_eth_dev *dev;
2515         struct rte_eth_dev_callback *cb, *next;
2516
2517         if (!cb_fn)
2518                 return -EINVAL;
2519
2520         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2521
2522         dev = &rte_eth_devices[port_id];
2523         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2524
2525         ret = 0;
2526         for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
2527
2528                 next = TAILQ_NEXT(cb, next);
2529
2530                 if (cb->cb_fn != cb_fn || cb->event != event ||
2531                                 (cb->cb_arg != (void *)-1 &&
2532                                 cb->cb_arg != cb_arg))
2533                         continue;
2534
2535                 /*
2536                  * if this callback is not executing right now,
2537                  * then remove it.
2538                  */
2539                 if (cb->active == 0) {
2540                         TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
2541                         rte_free(cb);
2542                 } else {
2543                         ret = -EAGAIN;
2544                 }
2545         }
2546
2547         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2548         return ret;
2549 }
2550
2551 void
2552 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
2553         enum rte_eth_event_type event)
2554 {
2555         struct rte_eth_dev_callback *cb_lst;
2556         struct rte_eth_dev_callback dev_cb;
2557
2558         rte_spinlock_lock(&rte_eth_dev_cb_lock);
2559         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
2560                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
2561                         continue;
2562                 dev_cb = *cb_lst;
2563                 cb_lst->active = 1;
2564                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2565                 dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
2566                                                 dev_cb.cb_arg);
2567                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
2568                 cb_lst->active = 0;
2569         }
2570         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
2571 }
2572
2573 int
2574 rte_eth_dev_rx_intr_ctl(uint8_t port_id, int epfd, int op, void *data)
2575 {
2576         uint32_t vec;
2577         struct rte_eth_dev *dev;
2578         struct rte_intr_handle *intr_handle;
2579         uint16_t qid;
2580         int rc;
2581
2582         if (!rte_eth_dev_is_valid_port(port_id)) {
2583                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%u\n", port_id);
2584                 return -ENODEV;
2585         }
2586
2587         dev = &rte_eth_devices[port_id];
2588         intr_handle = &dev->pci_dev->intr_handle;
2589         if (!intr_handle->intr_vec) {
2590                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
2591                 return -EPERM;
2592         }
2593
2594         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
2595                 vec = intr_handle->intr_vec[qid];
2596                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
2597                 if (rc && rc != -EEXIST) {
2598                         RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
2599                                         " op %d epfd %d vec %u\n",
2600                                         port_id, qid, op, epfd, vec);
2601                 }
2602         }
2603
2604         return 0;
2605 }
2606
2607 const struct rte_memzone *
2608 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
2609                          uint16_t queue_id, size_t size, unsigned align,
2610                          int socket_id)
2611 {
2612         char z_name[RTE_MEMZONE_NAMESIZE];
2613         const struct rte_memzone *mz;
2614
2615         snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d",
2616                  dev->driver->pci_drv.name, ring_name,
2617                  dev->data->port_id, queue_id);
2618
2619         mz = rte_memzone_lookup(z_name);
2620         if (mz)
2621                 return mz;
2622
2623         if (rte_xen_dom0_supported())
2624                 return rte_memzone_reserve_bounded(z_name, size, socket_id,
2625                                                    0, align, RTE_PGSIZE_2M);
2626         else
2627                 return rte_memzone_reserve_aligned(z_name, size, socket_id,
2628                                                    0, align);
2629 }
2630
2631 int
2632 rte_eth_dev_rx_intr_ctl_q(uint8_t port_id, uint16_t queue_id,
2633                           int epfd, int op, void *data)
2634 {
2635         uint32_t vec;
2636         struct rte_eth_dev *dev;
2637         struct rte_intr_handle *intr_handle;
2638         int rc;
2639
2640         if (!rte_eth_dev_is_valid_port(port_id)) {
2641                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%u\n", port_id);
2642                 return -ENODEV;
2643         }
2644
2645         dev = &rte_eth_devices[port_id];
2646         if (queue_id >= dev->data->nb_rx_queues) {
2647                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%u\n", queue_id);
2648                 return -EINVAL;
2649         }
2650
2651         intr_handle = &dev->pci_dev->intr_handle;
2652         if (!intr_handle->intr_vec) {
2653                 RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n");
2654                 return -EPERM;
2655         }
2656
2657         vec = intr_handle->intr_vec[queue_id];
2658         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
2659         if (rc && rc != -EEXIST) {
2660                 RTE_PMD_DEBUG_TRACE("p %u q %u rx ctl error"
2661                                 " op %d epfd %d vec %u\n",
2662                                 port_id, queue_id, op, epfd, vec);
2663                 return rc;
2664         }
2665
2666         return 0;
2667 }
2668
2669 int
2670 rte_eth_dev_rx_intr_enable(uint8_t port_id,
2671                            uint16_t queue_id)
2672 {
2673         struct rte_eth_dev *dev;
2674
2675         if (!rte_eth_dev_is_valid_port(port_id)) {
2676                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2677                 return -ENODEV;
2678         }
2679
2680         dev = &rte_eth_devices[port_id];
2681
2682         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
2683         return (*dev->dev_ops->rx_queue_intr_enable)(dev, queue_id);
2684 }
2685
2686 int
2687 rte_eth_dev_rx_intr_disable(uint8_t port_id,
2688                             uint16_t queue_id)
2689 {
2690         struct rte_eth_dev *dev;
2691
2692         if (!rte_eth_dev_is_valid_port(port_id)) {
2693                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
2694                 return -ENODEV;
2695         }
2696
2697         dev = &rte_eth_devices[port_id];
2698
2699         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
2700         return (*dev->dev_ops->rx_queue_intr_disable)(dev, queue_id);
2701 }
2702
2703 #ifdef RTE_NIC_BYPASS
2704 int rte_eth_dev_bypass_init(uint8_t port_id)
2705 {
2706         struct rte_eth_dev *dev;
2707
2708         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2709
2710         dev = &rte_eth_devices[port_id];
2711         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_init, -ENOTSUP);
2712         (*dev->dev_ops->bypass_init)(dev);
2713         return 0;
2714 }
2715
2716 int
2717 rte_eth_dev_bypass_state_show(uint8_t port_id, uint32_t *state)
2718 {
2719         struct rte_eth_dev *dev;
2720
2721         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2722
2723         dev = &rte_eth_devices[port_id];
2724         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_state_show, -ENOTSUP);
2725         (*dev->dev_ops->bypass_state_show)(dev, state);
2726         return 0;
2727 }
2728
2729 int
2730 rte_eth_dev_bypass_state_set(uint8_t port_id, uint32_t *new_state)
2731 {
2732         struct rte_eth_dev *dev;
2733
2734         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2735
2736         dev = &rte_eth_devices[port_id];
2737         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_state_set, -ENOTSUP);
2738         (*dev->dev_ops->bypass_state_set)(dev, new_state);
2739         return 0;
2740 }
2741
2742 int
2743 rte_eth_dev_bypass_event_show(uint8_t port_id, uint32_t event, uint32_t *state)
2744 {
2745         struct rte_eth_dev *dev;
2746
2747         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2748
2749         dev = &rte_eth_devices[port_id];
2750         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_state_show, -ENOTSUP);
2751         (*dev->dev_ops->bypass_event_show)(dev, event, state);
2752         return 0;
2753 }
2754
2755 int
2756 rte_eth_dev_bypass_event_store(uint8_t port_id, uint32_t event, uint32_t state)
2757 {
2758         struct rte_eth_dev *dev;
2759
2760         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2761
2762         dev = &rte_eth_devices[port_id];
2763
2764         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_event_set, -ENOTSUP);
2765         (*dev->dev_ops->bypass_event_set)(dev, event, state);
2766         return 0;
2767 }
2768
2769 int
2770 rte_eth_dev_wd_timeout_store(uint8_t port_id, uint32_t timeout)
2771 {
2772         struct rte_eth_dev *dev;
2773
2774         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2775
2776         dev = &rte_eth_devices[port_id];
2777
2778         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_wd_timeout_set, -ENOTSUP);
2779         (*dev->dev_ops->bypass_wd_timeout_set)(dev, timeout);
2780         return 0;
2781 }
2782
2783 int
2784 rte_eth_dev_bypass_ver_show(uint8_t port_id, uint32_t *ver)
2785 {
2786         struct rte_eth_dev *dev;
2787
2788         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2789
2790         dev = &rte_eth_devices[port_id];
2791
2792         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_ver_show, -ENOTSUP);
2793         (*dev->dev_ops->bypass_ver_show)(dev, ver);
2794         return 0;
2795 }
2796
2797 int
2798 rte_eth_dev_bypass_wd_timeout_show(uint8_t port_id, uint32_t *wd_timeout)
2799 {
2800         struct rte_eth_dev *dev;
2801
2802         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2803
2804         dev = &rte_eth_devices[port_id];
2805
2806         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_wd_timeout_show, -ENOTSUP);
2807         (*dev->dev_ops->bypass_wd_timeout_show)(dev, wd_timeout);
2808         return 0;
2809 }
2810
2811 int
2812 rte_eth_dev_bypass_wd_reset(uint8_t port_id)
2813 {
2814         struct rte_eth_dev *dev;
2815
2816         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2817
2818         dev = &rte_eth_devices[port_id];
2819
2820         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->bypass_wd_reset, -ENOTSUP);
2821         (*dev->dev_ops->bypass_wd_reset)(dev);
2822         return 0;
2823 }
2824 #endif
2825
2826 int
2827 rte_eth_dev_filter_supported(uint8_t port_id, enum rte_filter_type filter_type)
2828 {
2829         struct rte_eth_dev *dev;
2830
2831         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2832
2833         dev = &rte_eth_devices[port_id];
2834         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
2835         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
2836                                 RTE_ETH_FILTER_NOP, NULL);
2837 }
2838
2839 int
2840 rte_eth_dev_filter_ctrl(uint8_t port_id, enum rte_filter_type filter_type,
2841                        enum rte_filter_op filter_op, void *arg)
2842 {
2843         struct rte_eth_dev *dev;
2844
2845         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2846
2847         dev = &rte_eth_devices[port_id];
2848         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
2849         return (*dev->dev_ops->filter_ctrl)(dev, filter_type, filter_op, arg);
2850 }
2851
2852 void *
2853 rte_eth_add_rx_callback(uint8_t port_id, uint16_t queue_id,
2854                 rte_rx_callback_fn fn, void *user_param)
2855 {
2856 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
2857         rte_errno = ENOTSUP;
2858         return NULL;
2859 #endif
2860         /* check input parameters */
2861         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
2862                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
2863                 rte_errno = EINVAL;
2864                 return NULL;
2865         }
2866
2867         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
2868
2869         if (cb == NULL) {
2870                 rte_errno = ENOMEM;
2871                 return NULL;
2872         }
2873
2874         cb->fn.rx = fn;
2875         cb->param = user_param;
2876
2877         /* Add the callbacks in fifo order. */
2878         struct rte_eth_rxtx_callback *tail =
2879                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
2880
2881         if (!tail) {
2882                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
2883
2884         } else {
2885                 while (tail->next)
2886                         tail = tail->next;
2887                 tail->next = cb;
2888         }
2889
2890         return cb;
2891 }
2892
2893 void *
2894 rte_eth_add_tx_callback(uint8_t port_id, uint16_t queue_id,
2895                 rte_tx_callback_fn fn, void *user_param)
2896 {
2897 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
2898         rte_errno = ENOTSUP;
2899         return NULL;
2900 #endif
2901         /* check input parameters */
2902         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
2903                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
2904                 rte_errno = EINVAL;
2905                 return NULL;
2906         }
2907
2908         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
2909
2910         if (cb == NULL) {
2911                 rte_errno = ENOMEM;
2912                 return NULL;
2913         }
2914
2915         cb->fn.tx = fn;
2916         cb->param = user_param;
2917
2918         /* Add the callbacks in fifo order. */
2919         struct rte_eth_rxtx_callback *tail =
2920                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
2921
2922         if (!tail) {
2923                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
2924
2925         } else {
2926                 while (tail->next)
2927                         tail = tail->next;
2928                 tail->next = cb;
2929         }
2930
2931         return cb;
2932 }
2933
2934 int
2935 rte_eth_remove_rx_callback(uint8_t port_id, uint16_t queue_id,
2936                 struct rte_eth_rxtx_callback *user_cb)
2937 {
2938 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
2939         return -ENOTSUP;
2940 #endif
2941         /* Check input parameters. */
2942         if (!rte_eth_dev_is_valid_port(port_id) || user_cb == NULL ||
2943                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
2944                 return -EINVAL;
2945         }
2946
2947         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2948         struct rte_eth_rxtx_callback *cb = dev->post_rx_burst_cbs[queue_id];
2949         struct rte_eth_rxtx_callback *prev_cb;
2950
2951         /* Reset head pointer and remove user cb if first in the list. */
2952         if (cb == user_cb) {
2953                 dev->post_rx_burst_cbs[queue_id] = user_cb->next;
2954                 return 0;
2955         }
2956
2957         /* Remove the user cb from the callback list. */
2958         do {
2959                 prev_cb = cb;
2960                 cb = cb->next;
2961
2962                 if (cb == user_cb) {
2963                         prev_cb->next = user_cb->next;
2964                         return 0;
2965                 }
2966
2967         } while (cb != NULL);
2968
2969         /* Callback wasn't found. */
2970         return -EINVAL;
2971 }
2972
2973 int
2974 rte_eth_remove_tx_callback(uint8_t port_id, uint16_t queue_id,
2975                 struct rte_eth_rxtx_callback *user_cb)
2976 {
2977 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
2978         return -ENOTSUP;
2979 #endif
2980         /* Check input parameters. */
2981         if (!rte_eth_dev_is_valid_port(port_id) || user_cb == NULL ||
2982                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
2983                 return -EINVAL;
2984         }
2985
2986         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2987         struct rte_eth_rxtx_callback *cb = dev->pre_tx_burst_cbs[queue_id];
2988         struct rte_eth_rxtx_callback *prev_cb;
2989
2990         /* Reset head pointer and remove user cb if first in the list. */
2991         if (cb == user_cb) {
2992                 dev->pre_tx_burst_cbs[queue_id] = user_cb->next;
2993                 return 0;
2994         }
2995
2996         /* Remove the user cb from the callback list. */
2997         do {
2998                 prev_cb = cb;
2999                 cb = cb->next;
3000
3001                 if (cb == user_cb) {
3002                         prev_cb->next = user_cb->next;
3003                         return 0;
3004                 }
3005
3006         } while (cb != NULL);
3007
3008         /* Callback wasn't found. */
3009         return -EINVAL;
3010 }
3011
3012 int
3013 rte_eth_rx_queue_info_get(uint8_t port_id, uint16_t queue_id,
3014         struct rte_eth_rxq_info *qinfo)
3015 {
3016         struct rte_eth_dev *dev;
3017
3018         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3019
3020         if (qinfo == NULL)
3021                 return -EINVAL;
3022
3023         dev = &rte_eth_devices[port_id];
3024         if (queue_id >= dev->data->nb_rx_queues) {
3025                 RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
3026                 return -EINVAL;
3027         }
3028
3029         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3030
3031         memset(qinfo, 0, sizeof(*qinfo));
3032         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3033         return 0;
3034 }
3035
3036 int
3037 rte_eth_tx_queue_info_get(uint8_t port_id, uint16_t queue_id,
3038         struct rte_eth_txq_info *qinfo)
3039 {
3040         struct rte_eth_dev *dev;
3041
3042         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3043
3044         if (qinfo == NULL)
3045                 return -EINVAL;
3046
3047         dev = &rte_eth_devices[port_id];
3048         if (queue_id >= dev->data->nb_tx_queues) {
3049                 RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
3050                 return -EINVAL;
3051         }
3052
3053         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
3054
3055         memset(qinfo, 0, sizeof(*qinfo));
3056         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
3057         return 0;
3058 }
3059
3060 int
3061 rte_eth_dev_set_mc_addr_list(uint8_t port_id,
3062                              struct ether_addr *mc_addr_set,
3063                              uint32_t nb_mc_addr)
3064 {
3065         struct rte_eth_dev *dev;
3066
3067         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3068
3069         dev = &rte_eth_devices[port_id];
3070         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
3071         return dev->dev_ops->set_mc_addr_list(dev, mc_addr_set, nb_mc_addr);
3072 }
3073
3074 int
3075 rte_eth_timesync_enable(uint8_t port_id)
3076 {
3077         struct rte_eth_dev *dev;
3078
3079         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3080         dev = &rte_eth_devices[port_id];
3081
3082         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
3083         return (*dev->dev_ops->timesync_enable)(dev);
3084 }
3085
3086 int
3087 rte_eth_timesync_disable(uint8_t port_id)
3088 {
3089         struct rte_eth_dev *dev;
3090
3091         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3092         dev = &rte_eth_devices[port_id];
3093
3094         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
3095         return (*dev->dev_ops->timesync_disable)(dev);
3096 }
3097
3098 int
3099 rte_eth_timesync_read_rx_timestamp(uint8_t port_id, struct timespec *timestamp,
3100                                    uint32_t flags)
3101 {
3102         struct rte_eth_dev *dev;
3103
3104         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3105         dev = &rte_eth_devices[port_id];
3106
3107         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
3108         return (*dev->dev_ops->timesync_read_rx_timestamp)(dev, timestamp, flags);
3109 }
3110
3111 int
3112 rte_eth_timesync_read_tx_timestamp(uint8_t port_id, struct timespec *timestamp)
3113 {
3114         struct rte_eth_dev *dev;
3115
3116         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3117         dev = &rte_eth_devices[port_id];
3118
3119         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
3120         return (*dev->dev_ops->timesync_read_tx_timestamp)(dev, timestamp);
3121 }
3122
3123 int
3124 rte_eth_timesync_adjust_time(uint8_t port_id, int64_t delta)
3125 {
3126         struct rte_eth_dev *dev;
3127
3128         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3129         dev = &rte_eth_devices[port_id];
3130
3131         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
3132         return (*dev->dev_ops->timesync_adjust_time)(dev, delta);
3133 }
3134
3135 int
3136 rte_eth_timesync_read_time(uint8_t port_id, struct timespec *timestamp)
3137 {
3138         struct rte_eth_dev *dev;
3139
3140         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3141         dev = &rte_eth_devices[port_id];
3142
3143         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
3144         return (*dev->dev_ops->timesync_read_time)(dev, timestamp);
3145 }
3146
3147 int
3148 rte_eth_timesync_write_time(uint8_t port_id, const struct timespec *timestamp)
3149 {
3150         struct rte_eth_dev *dev;
3151
3152         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3153         dev = &rte_eth_devices[port_id];
3154
3155         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
3156         return (*dev->dev_ops->timesync_write_time)(dev, timestamp);
3157 }
3158
3159 int
3160 rte_eth_dev_get_reg_length(uint8_t port_id)
3161 {
3162         struct rte_eth_dev *dev;
3163
3164         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3165
3166         dev = &rte_eth_devices[port_id];
3167         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg_length, -ENOTSUP);
3168         return (*dev->dev_ops->get_reg_length)(dev);
3169 }
3170
3171 int
3172 rte_eth_dev_get_reg_info(uint8_t port_id, struct rte_dev_reg_info *info)
3173 {
3174         struct rte_eth_dev *dev;
3175
3176         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3177
3178         dev = &rte_eth_devices[port_id];
3179         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
3180         return (*dev->dev_ops->get_reg)(dev, info);
3181 }
3182
3183 int
3184 rte_eth_dev_get_eeprom_length(uint8_t port_id)
3185 {
3186         struct rte_eth_dev *dev;
3187
3188         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3189
3190         dev = &rte_eth_devices[port_id];
3191         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
3192         return (*dev->dev_ops->get_eeprom_length)(dev);
3193 }
3194
3195 int
3196 rte_eth_dev_get_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info)
3197 {
3198         struct rte_eth_dev *dev;
3199
3200         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3201
3202         dev = &rte_eth_devices[port_id];
3203         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
3204         return (*dev->dev_ops->get_eeprom)(dev, info);
3205 }
3206
3207 int
3208 rte_eth_dev_set_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info)
3209 {
3210         struct rte_eth_dev *dev;
3211
3212         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3213
3214         dev = &rte_eth_devices[port_id];
3215         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
3216         return (*dev->dev_ops->set_eeprom)(dev, info);
3217 }
3218
3219 int
3220 rte_eth_dev_get_dcb_info(uint8_t port_id,
3221                              struct rte_eth_dcb_info *dcb_info)
3222 {
3223         struct rte_eth_dev *dev;
3224
3225         if (!rte_eth_dev_is_valid_port(port_id)) {
3226                 RTE_PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
3227                 return -ENODEV;
3228         }
3229
3230         dev = &rte_eth_devices[port_id];
3231         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
3232
3233         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
3234         return (*dev->dev_ops->get_dcb_info)(dev, dcb_info);
3235 }
3236
3237 void
3238 rte_eth_copy_pci_info(struct rte_eth_dev *eth_dev, struct rte_pci_device *pci_dev)
3239 {
3240         if ((eth_dev == NULL) || (pci_dev == NULL)) {
3241                 RTE_PMD_DEBUG_TRACE("NULL pointer eth_dev=%p pci_dev=%p\n",
3242                                 eth_dev, pci_dev);
3243                 return;
3244         }
3245
3246         eth_dev->data->dev_flags = 0;
3247         if (pci_dev->driver->drv_flags & RTE_PCI_DRV_INTR_LSC)
3248                 eth_dev->data->dev_flags |= RTE_ETH_DEV_INTR_LSC;
3249         if (pci_dev->driver->drv_flags & RTE_PCI_DRV_DETACHABLE)
3250                 eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
3251
3252         eth_dev->data->kdrv = pci_dev->kdrv;
3253         eth_dev->data->numa_node = pci_dev->numa_node;
3254         eth_dev->data->drv_name = pci_dev->driver->name;
3255 }
3256
3257 int
3258 rte_eth_dev_l2_tunnel_eth_type_conf(uint8_t port_id,
3259                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
3260 {
3261         struct rte_eth_dev *dev;
3262
3263         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3264         if (l2_tunnel == NULL) {
3265                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3266                 return -EINVAL;
3267         }
3268
3269         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3270                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type\n");
3271                 return -EINVAL;
3272         }
3273
3274         dev = &rte_eth_devices[port_id];
3275         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
3276                                 -ENOTSUP);
3277         return (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev, l2_tunnel);
3278 }
3279
3280 int
3281 rte_eth_dev_l2_tunnel_offload_set(uint8_t port_id,
3282                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
3283                                   uint32_t mask,
3284                                   uint8_t en)
3285 {
3286         struct rte_eth_dev *dev;
3287
3288         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3289
3290         if (l2_tunnel == NULL) {
3291                 RTE_PMD_DEBUG_TRACE("Invalid l2_tunnel parameter\n");
3292                 return -EINVAL;
3293         }
3294
3295         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
3296                 RTE_PMD_DEBUG_TRACE("Invalid tunnel type.\n");
3297                 return -EINVAL;
3298         }
3299
3300         if (mask == 0) {
3301                 RTE_PMD_DEBUG_TRACE("Mask should have a value.\n");
3302                 return -EINVAL;
3303         }
3304
3305         dev = &rte_eth_devices[port_id];
3306         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
3307                                 -ENOTSUP);
3308         return (*dev->dev_ops->l2_tunnel_offload_set)(dev, l2_tunnel, mask, en);
3309 }